Melissa Sundberg, LCSW
NPI 1992316608 · Clinical Social Worker · O Fallon, IL
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Sundberg, LCSW is a Clinical Social Worker provider in O Fallon, IL (NPI 1992316608).
Provider details
- NPI number
- 1992316608
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 44018 (MT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-08-14
- Last updated
- 2024-07-25
- Certified
- 2024-07-25
Frequently asked questions
- What is Melissa Sundberg's NPI number?
- Melissa Sundberg's National Provider Identifier (NPI) is 1992316608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Sundberg's specialty?
- Melissa Sundberg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Melissa Sundberg located?
- Melissa Sundberg's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284.
- What is Melissa Sundberg's phone number?
- The practice phone number listed in the NPPES registry for Melissa Sundberg is (618) 233-5480.
- Does Melissa Sundberg accept Medicare?
- Melissa Sundberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Sundberg's NPI active?
- Yes — Melissa Sundberg's NPI (1992316608) is active in the NPPES registry as of the last update on 2024-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.